133The Future of Natural Gas Supplies

Unlike crude oil, most natural gas produced around the world is generally consumed relatively near to where it is produced. The limitations associated with restricted access to long distance markets have substantially reduced the commercial viability of gas resources around the world to date. The U.S., the largest consumer of natural gas in the world, has a relatively well developed resource base. Despite this, as discussed above, a substantial resource endowment still remains in the U.S.

In other areas of the world, the natural gas resource base is far less developed than crude oil reserves. This measure of relative youthfulness can be characterized by two measures: the large quantity of gas resources discovered and proven, relative to the amount consumed worldwide versus crude oil, and the relative discovery rates of major gas fields in the world, relative to major oil fields.

Approximately 6700 Tcf of gas resources are believed to exist in the world; this is nearly 100 times current levels of annual consumption. About 75% of the world's gas resources are believed to exist in North America, the former Soviet Union, and the Middle East. However, despite this concentration, major accumulations of natural gas exist in all major areas of the world, allowing natural gas to play a key role as a fuel source in the 21st century.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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